70,699.79 sq mi = 45,247,865.6 acres
South Dakota's total area (land and water) is 49,354,035.2 acres.
Oklahoma has 33 million acres of farmland in the state. Over 77 percent of the entire state of Oklahoma is farmland.
5
South Dakota's land area is 49,398,000 acres.
According to USDA, there were 922,095,840 acres of farmland in 2007. This converts to 1.44 million square miles.
1,003,256
The total agricultural area irrigated in the world is 2.8 billion acres (1,143,792 kHa ). This data comes from FAO.
The answer depends on what you mean by "crops". If you mean the types of crops grown, there are at least 20 different types of crops grown in North Dakota each year. North Dakota is the largest producer in the US of durum wheat, hard red spring wheat, sunflowers, barley, navy beans, pinto beans, canola, flax seed, dry edible peas, lentils and honey. If you mean the amount in acres, more than 39 million acres of North Dakota are used to grow crops.
North Dakota has one state capital. Bismarck is the state capital in North Dakota.
384 alfalfa, 512 wheat
North Dakota has many rivers and lakes.